Rotary Table,Crown Block，Traveling block，Hook，Swivel
Crown Block
Brief Introduction
Crown Block is a component part of hoisting system of drilling rig.
The products conform to API Spec.4F, 8A, acquired the certificate of authority to use the official API monogram.
Technical Features
1.The sheave groove are quenching treated, anti-abrasion and long service life.
2.Equipped with wirerope ward device, prevent the wirerope from bouncing or falling off.
3.Equipped with bumping wood and protective net.
4.Equipped with gin pole for block servicing.
5.Equipped with sand block and assistant block.
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SPECIFICATIONAS: |
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Model |
TC30 |
TC50 |
TC90 |
TC135 |
TC170 |
TC225 |
TC315 |
TC450 |
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Max. hook load kN(1bs) |
300 (66000) |
500 (110000) |
900 (200000) |
1350 (300000) |
1700 (37400) |
2250 (500000) |
3150 (700000) |
4500 (1000000) |
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Dia. of wireline mm(in) |
24 (15/16) |
24 (15/16) |
26 (1) |
29 (1 1/8) |
29 (1 1/8) |
32 (1 1/4) |
35 (1 3/8) |
38 (1 1/2) |
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OD of sheave mm(in) |
475 (18 3/4) |
610 (24) |
660 (26) |
1005 (40) |
1005 (40) |
1120 (44) |
1270 (50) |
1524 (60) |
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Qty. of sheave |
4 |
5 |
5 |
5 |
6 |
6 |
7 |
7 |
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Overall dimensions mm(in) |
Length |
738 (29) |
860 (33 7/8) |
1208 (47 9/16) |
2320 (91 11/32) |
2668 (105) |
2668 (105) |
3112 (123) |
3407 (134) |
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Width |
472 ( 18 5/8 ) |
670 (26 7/16) |
1092 (43) |
1436 (56 17/32) |
2460 (97) |
2709 (107) |
2783 (110) |
2722 (107) |
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Height |
575 (22 5/8) |
588 (23 1/8) |
1207 (47 1/2) |
1781 (70 1/2) |
1855 (73) |
2469 (97) |
2800 (110) |
2856 (112) |
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Weight kg(1bs) |
245 (540) |
464 (1023) |
1500 (3307) |
2775 (6118) |
4540 (9988) |
5270 (11594) |
7600 (16720) |
9750 (21450) |
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